Are you annoyed with that 2800 rpm stumble you get while driving your 2008-2021 Subaru STI? Wish you could easily fix it? COBB has the answer: The COBB Subaru 2008-2021 STI Fuel Pressure Regulator Kit. This kit reconfigures the fuel pressure regulator to the way it was on the older 2004-2007 STI cars. It’s a plug-and-play solution that is simple and easy to install. The kit requires no cutting of factory hoses and is multi-fuel compatible. Make your drive a little less annoying for your car and yourself. Fix it right with COBB!
NOTE : Custom tuning is required!
Fits all 2008-2021 Subaru WRX STI.